Question

if 3x+5y =9 and 5x+3y=7,then what is the value of x+y
A.2 B.16 C.9 D.7​

Answer 1

Answer:

x+y = 2

Step-by-step explanation:

by solving the equations

$3x + 5y = 9$

$5x + 3y = 7$

we get

$\times = 0.5$

$y = 1.5$

$x + y = 2$